CVE-2010-2943 (GCVE-0-2010-2943)

Vulnerability from cvelistv5 – Published: 2010-09-30 14:00 – Updated: 2024-08-07 02:55
VLAI?
Summary
The xfs implementation in the Linux kernel before 2.6.35 does not look up inode allocation btrees before reading inode buffers, which allows remote authenticated users to read unlinked files, or read or overwrite disk blocks that are currently assigned to an active file but were previously assigned to an unlinked file, by accessing a stale NFS filehandle.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://article.gmane.org/gmane.comp.file-systems.… mailing-listx_refsource_MLIST
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://www.securityfocus.com/bid/42527 vdb-entryx_refsource_BID
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://www.redhat.com/support/errata/RHSA-2010-07… vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=624923 x_refsource_CONFIRM
http://www.securityfocus.com/archive/1/520102/100… mailing-listx_refsource_BUGTRAQ
http://article.gmane.org/gmane.comp.file-systems.… mailing-listx_refsource_MLIST
http://secunia.com/advisories/46397 third-party-advisoryx_refsource_SECUNIA
http://article.gmane.org/gmane.comp.file-systems.… mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2010/08/18/2 mailing-listx_refsource_MLIST
http://article.gmane.org/gmane.comp.file-systems.… mailing-listx_refsource_MLIST
http://oss.sgi.com/archives/xfs/2010-06/msg00191.html mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-1041-1 vendor-advisoryx_refsource_UBUNTU
http://www.kernel.org/pub/linux/kernel/v2.6/Chang… x_refsource_CONFIRM
http://oss.sgi.com/archives/xfs/2010-06/msg00198.html mailing-listx_refsource_MLIST
http://www.vupen.com/english/advisories/2011/0280 vdb-entryx_refsource_VUPEN
http://www.vmware.com/security/advisories/VMSA-20… x_refsource_CONFIRM
http://secunia.com/advisories/42758 third-party-advisoryx_refsource_SECUNIA
http://support.avaya.com/css/P8/documents/100113326 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1057-1 vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2010/08/19/5 mailing-listx_refsource_MLIST
http://www.vupen.com/english/advisories/2011/0070 vdb-entryx_refsource_VUPEN
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://secunia.com/advisories/43161 third-party-advisoryx_refsource_SECUNIA
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"The xfs implementation in the Linux kernel before 2.6.35 does not look up inode allocation btrees before reading inode buffers, which allows remote authenticated users to read unlinked files, or read or overwrite disk blocks that are currently assigned to an active file but were previously assigned to an unlinked file, by accessing a stale NFS filehandle.\"}, {\"lang\": \"es\", \"value\": \"La implementaci\\u00f3n xfs en el kernel Linux, en versiones anteriores a la 2.6.35, no busca la asignaci\\u00f3n de inodes btrees antes de leer los b\\u00fafer inode, lo que permite a atacantes remotos  autenticados leer ficheros no enlazados o leer o sobreescribir bloques de disco que est\\u00e1n asignados actualmente a un fichero activo pero que fueron previamente asignados a un fichero no enlazado, accediendo a un manejador de fichero NFS antiguo.\"}]",
      "id": "CVE-2010-2943",
      "lastModified": "2024-11-21T01:17:42.303",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 5.2}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:N\", \"baseScore\": 6.4, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2010-09-30T15:00:01.987",
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      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-200\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2010-2943\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2010-09-30T15:00:01.987\",\"lastModified\":\"2025-04-11T00:51:21.963\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The xfs implementation in the Linux kernel before 2.6.35 does not look up inode allocation btrees before reading inode buffers, which allows remote authenticated users to read unlinked files, or read or overwrite disk blocks that are currently assigned to an active file but were previously assigned to an unlinked file, by accessing a stale NFS filehandle.\"},{\"lang\":\"es\",\"value\":\"La implementaci\u00f3n xfs en el kernel Linux, en versiones anteriores a la 2.6.35, no busca la asignaci\u00f3n de inodes btrees antes de leer los b\u00fafer inode, lo que permite a atacantes remotos  autenticados leer ficheros no enlazados o leer o sobreescribir bloques de disco que est\u00e1n asignados actualmente a un fichero activo pero que fueron previamente asignados a un fichero no enlazado, accediendo a un manejador de fichero NFS antiguo.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:N\",\"baseScore\":6.4,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.6.35\",\"matchCriteriaId\":\"ABBE25DF-453B-47E6-A6ED-6984E7576F69\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:-:*:*:*\",\"matchCriteriaId\":\"CCAB8598-69B3-4467-A9EB-0EFEB3C73D08\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2BCB73E-27BB-4878-AD9C-90C4F20C25A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*\",\"matchCriteriaId\":\"01EDA41C-6B2E-49AF-B503-EB3882265C11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"87614B58-24AB-49FB-9C84-E8DDBA16353B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:vmware:esx:4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BC337BB7-9A45-4406-A783-851F279130EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:vmware:esx:4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B6BA46F-4E8C-4B2A-AE92-81B9F1B4D56C\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_communication_manager:5.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B6567360-D041-4C5A-A9DF-39223E5FF895\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_presence_services:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"47508B6A-134F-4795-A5D1-4256D38BCE57\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_presence_services:6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"876BFAD3-DF3C-419D-89AD-160BC15F2B09\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_presence_services:6.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C308358C-A051-4E86-8621-EC7DEC866C1B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_session_manager:1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5C5F5625-1601-4EFC-B710-58B145F10708\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_session_manager:5.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CB6AB5D8-6E22-483E-A91E-0880FF9A2C97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_session_manager:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D17B8A88-2355-409B-BF79-8BE78BCBC66A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_system_manager:5.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"44D546F5-2751-41F0-9442-8F1EB904E294\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_system_manager:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7C82ABC-54B9-454C-A9F9-2DBFF1D62364\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_system_manager:6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EA1A137E-0BA3-4E17-AC1F-AEB92C205B78\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_system_manager:6.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9C7E6391-D86C-45AF-962C-7162FC8B706C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_system_platform:1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"76E0FA7D-9F1B-4B1D-8B2D-85D2ED6DC00C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_system_platform:6.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"A7F1DDA6-7664-41AA-8364-8BEF7834531E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_system_platform:6.0:sp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"DC1A931C-EEB1-4630-A1F5-C0B5166724A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_voice_portal:5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4C7894BA-98D1-41FE-9FD2-BE07FBFD4627\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:avaya:aura_voice_portal:5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  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.